<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise.race</title>
</head>
<body>
    <script>
        // race 属于 Promise 函数对象.  race(赛跑)
        // 接收参数: promise 数组
        // 返回结果: promise 对象
            // 状态 :      promise 数组中最先改变状态的 promise 决定.
            // 结果值:     结果由最先改变状态的 promise 决定

        let p1 = new Promise((resolve, reject) => {
            setTimeout(() => {
                
            }, 1000)
            resolve('OK');
        });

        let p2 = Promise.resolve('Yes');

        let p3 = Promise.reject('No No No');

        let result = Promise.race([p1, p2, p3]);

        console.log(result);
        
    </script>
</body>
</html>